.page-wrap {display:flex;}
.page-menu {flex:1;max-width:250px;min-width:250px;}
.page-content {flex:1; padding-left:20px;}

.margin-0 {margin:0;}

.shadow {position:fixed; width:100%; height:100%; left:0; top:0; background:black; opacity:0.6;display:none;}
.add_modify_dialog {width:800px; height:500px; position:fixed; left:50%; margin-left:-400px; top:50%; margin-top:-250px; z-index:999;display:none;}
